Search a number
-
+
105035840 = 2657133607
BaseRepresentation
bin1100100001010…
…11100001000000
321022122101002022
412100223201000
5203342121330
614231141012
72413534640
oct620534100
9238571068
10105035840
1154320a88
122b214768
13189b79b0
14dd42520
15934bae5
hex642b840

105035840 has 112 divisors (see below), whose sum is σ = 307921152. Its totient is φ = 33232896.

The previous prime is 105035837. The next prime is 105035849. The reversal of 105035840 is 48530501.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1050358402 = 22065055369011200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (105035849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27317 + ... + 30923.

It is an arithmetic number, because the mean of its divisors is an integer number (2749296).

Almost surely, 2105035840 is an apocalyptic number.

105035840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105035840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153960576).

105035840 is an abundant number, since it is smaller than the sum of its proper divisors (202885312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105035840 is a wasteful number, since it uses less digits than its factorization.

105035840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644 (or 3634 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 105035840 is about 10248.6994296837. The cubic root of 105035840 is about 471.8230687993.

The spelling of 105035840 in words is "one hundred five million, thirty-five thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 130 140 160 182 208 224 260 280 320 364 416 448 455 520 560 728 832 910 1040 1120 1456 1820 2080 2240 2912 3607 3640 4160 5824 7214 7280 14428 14560 18035 25249 28856 29120 36070 46891 50498 57712 72140 93782 100996 115424 126245 144280 187564 201992 230848 234455 252490 288560 328237 375128 403984 468910 504980 577120 656474 750256 807968 937820 1009960 1154240 1312948 1500512 1615936 1641185 1875640 2019920 2625896 3001024 3282370 3751280 4039840 5251792 6564740 7502560 8079680 10503584 13129480 15005120 21007168 26258960 52517920 105035840